$OpenBSD: patch-lib_os_mon_c_src_memsup_c,v 1.1 2015/06/22 13:07:39 jasper Exp $
--- lib/os_mon/c_src/memsup.c.orig	Thu Jan 23 17:47:46 2014
+++ lib/os_mon/c_src/memsup.c	Sun Dec 28 14:53:35 2014
@@ -104,7 +104,7 @@
 #if !defined (__OpenBSD__) && !defined (__NetBSD__) 
 #include <vm/vm_param.h>
 #endif
-#if defined (__FreeBSD__) || defined(__DragonFly__) || defined (__NetBSD__)
+#if defined (__FreeBSD__) || defined(__DragonFly__) || defined (__NetBSD__) || defined(__OpenBSD__)
 #include <sys/vmmeter.h>
 #endif
 #endif
